Padrões de distribuição horizontal de tecamebas (Rhizopoda, Amoebozoa) em amostras de plâncton na área do reservatório de Corumbá, Estado de Goiás, Brasil

Fábio Amodêo Lansac-Tôha; Luiz Felipe Machado Velho; Cláudia Costa Bonecker; Anderson Setsuo Miyashiro Aoyagui

doi:10.4025/actascibiolsci.v22i0.2872

Horizontal distribution patterns of testate amoebae (Rhizopoda, Amoebozoa) in plankton samples of the Corumbá reservoir area, state of Goiás, Brazil

Authors

Fábio Amodêo Lansac-Tôha UEM Author
Luiz Felipe Machado Velho UEM Author
Cláudia Costa Bonecker UEM Author
Anderson Setsuo Miyashiro Aoyagui UEM Author

DOI:

https://doi.org/10.4025/actascibiolsci.v22i0.2872

Keywords:

tecamebas, zooplâncton, padrões de distribuição, reservatório, Brasil

Abstract

The purpose of this study was to discuss the horizontal variations in the testate amoebae assemblages occurring in different regions of the Corumbá reservoir. A total of 61 taxa were identified representing 8 families. Difflugiidae was the most rich. The greatest number of taxa were found in the lotic environments. The increase in the velocity of current, discharge and the washout of the marginal vegetation resulted in an increase in species richness in the lotic environments. On the other hand, the presence of many accidental species in the lacustrine and transitional zones of the reservoir might be due to the fact that these are deep and extensive regions. Centropyxis aculeata was constant in all regions, with the exception of lacustrine zone of the reservoir. Other taxa were constant only in lotic environments (upstream Corumbá river and tributaries) and riverine zone of the reservoir: Arcella conica, A. costata, A. discoides, A. vulgaris, Centropyxis ecornis and Difflugia gramen

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Author Biography

Fábio Amodêo Lansac-Tôha, UEM

Atualmente é professor titular do Departamento de Biologia e pesquisador do Núcleo de Pesquisas em Limnologia, Ictiologia e AqÃ¼icultura (Nupélia) da Universidade Estadual de Maringá (UEM). É professor orientador de dois programas de pós-graduação stricto-sensu da UEM: Ecologia de Ambientes Aquáticos Continentais (conceito 6 da Capes) e Biologia Comparada (conceito 4 da Capes). Tem experiência na área de Ecologia, com ênfase em Ecologia de Ecossistemas, atuando principalmente nos seguintes temas: taxonomia e ecologia do zooplâncton de ambientea aquáticos continentais (planícies de inundação e reservatórios) Currículo Lattes

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PDF (Portuguese)

Published

2008-05-09

Issue

Vol. 22 (2000)

Section

Biology Sciences

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How to Cite

Horizontal distribution patterns of testate amoebae (Rhizopoda, Amoebozoa) in plankton samples of the Corumbá reservoir area, state of Goiás, Brazil. (2008). Acta Scientiarum. Biological Sciences, 22, 347-353. https://doi.org/10.4025/actascibiolsci.v22i0.2872